On Friday, October 3, 2025, at 9:30 a.m., Oregon State Police responded to a two-vehicle crash on Highway 6, near milepost 32, in Tillamook County.
The preliminary investigation indicated a westbound Mazda 3, operated by Brissa Guadalupe Olivarez Garcia (27) of Vancouver (WA), entered the eastbound passing lane for unknown reasons and struck an eastbound Scion Xd, operated by Deanna Kay Bollinger (57) of Garibaldi, head-on.
The operator of the Scion (Bollinger) was declared deceased at the scene.
The operator of the Mazda (Olivarez Garcia) was transported to an area hospital with serious injuries.
The highway was impacted for approximately six hours during the on-scene investigation. The cause of the crash is under investigation.
OSP was assisted by Tillamook Fire, the Tillamook County Sheriff’s Office, Banks Fire, and the Washington County Sheriff’s Office.
About the Oregon State Police Collision Reconstruction Unit (CRU)
The Oregon State Police Collision Reconstruction Unit (CRU) is a specialized unit responsible for investigating fatal and critical injury collisions on Oregon’s highways. The team provides expertise in the documentation, investigation, and analysis of complex motor vehicle crashes and crime scenes. They receive specialized training in the use of advanced measuring techniques and small unmanned aircraft systems (sUAS) for on-scene investigations. The CRU team includes ACTAR accredited collision reconstructionists and technical collision investigators deployed across the state.